56575645574 has 32 divisors (see below), whose sum is σ = 99646203456. Its totient is φ = 23582361600.

The previous prime is 56575645559. The next prime is 56575645589. The reversal of 56575645574 is 47554657565.

It is an interprime number because it is at equal distance from previous prime (56575645559) and next prime (56575645589).

It is a super-2 number, since 2×56575645574² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1431422 + ... + 1470414.

It is an arithmetic number, because the mean of its divisors is an integer number (3113943858).

Almost surely, 2^56575645574 is an apocalyptic number.

56575645574 is a deficient number, since it is larger than the sum of its proper divisors (43070557882).

56575645574 is a wasteful number, since it uses less digits than its factorization.

56575645574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41840.

The product of its digits is 88200000, while the sum is 59.

The spelling of 56575645574 in words is "fifty-six billion, five hundred seventy-five million, six hundred forty-five thousand, five hundred seventy-four".